Normalize longitude to (-180, 180].

Adds tty device to list of serial ports after it successfully opens.

Build shapely polygons (rectangles per row interval), merged. Handles dateline wrap by splitting into two rectangles.

Calculate orbits completed today (since midnight in user's timezone).

Calculate orbital elements from state vectors.

Calculate accurate orbital parameters from state vectors.

Calculate total lifetime orbits for ISS.

Return (LOS_entry_time, AOS_exit_time) as ephem.Date or (None, None). - If currently outside ZOE: search entry within ~120 min, then

Update the Kivy `signalcolor` property on every screen. Parameters ---------- r, g, b : float Normalised

Clean and standardize Wikipedia visiting vehicle data.

Clear the EVA stats display

Returns list of dict rows: [{'lat': <deg>, 'intervals': [(lon_start, lon_end), ...]}, ...] Intervals are non-coverage segments (inclu

Convert NET (No Earlier Than) dates to datetime objects.

Correlate NASA and Wikipedia visiting vehicle data.

Create the crew database and tables.

Detect which vehicles have docked or undocked.

Detect user location from IP address.

Download an image from the given URL and save it to the specified path.

Fix perms on XDG runtime dir if owned by current user.

Fetch EVA stats for an astronaut from spacefacts.de Args: firstname: Astronaut's first name lastname: Astrona

Returns list of dicts: [{name, spaceship, country, expedition}, ...]

Fetch detailed crew data from Spacefacts.de ISS table. Returns list of dicts with enhanced crew information.

Fetch TDRS TLE data from Celestrak website.

Fetch TLE data from Celestrak website.

Returns (should_send: bool, q_vals: dict, q_leds: tuple[str, str]|None, reason: str) reason ∈ {"change", "heartbeat", "led_change", "

Returns (should_send: bool, q_vals: dict, q_leds: dict|None, reason: str) reason ∈ {"change", "heartbeat", ""}.

Find the ISS image based on a specific pattern.

Format the entire message based on the crew information.

Get ISS TLE data, either from cache or by fetching from Celestrak.

Get TDRS TLE data, either from cache or by fetching from Celestrak.

Download and process visiting vehicle image from NASA website.

Extract the astronaut's image URL from their personal page. Returns the direct image URL or None if not found.

Extract mission data from the astronaut's Spaceflights table. Returns dict with total_time_in_space and current_mission_duration.

Get the JSON config data.

Get the database path based on platform

Calculate MD5 hash of an image file.

Fetch visiting vehicle data from NASA website.

Gets the serial ports either from a config file or pyudev

Get the Spacefacts.de URL for the specified expedition. If no expedition number is provided, discover the latest one.

Map TDRS name to widget ID

Get telemetry data from the database.

Get telemetry data from the database.

Get the current test status for display.

Checks ID_VENDOR string of tty devices to identify Arduinos.

Fetch visiting vehicle data from Wikipedia.

Convert hour-offset to Unix seconds (UTC).

Identify currently docked vehicles by removing undock events.

It's not ideal to have to include FTDI because that's somewhat generic, but if we want to use something like the Arduino Nano, that's wha

Filter out archive sub-folders (first segment after PART_ROOT).

Check if the date is within the specified number of years from today.

Check if a TDRS is currently active

Yield (ts, val, tid) but skip lines BEFORE start_ts so the very first record we produce is >= desired anchor.

Load telemetry from <data_folder> and prepare the merged schedule.

Load data from a JSON file.

Load saved location settings or use IP geolocation.

Return dict from <file>.meta.yml / .yaml (or {}).

Load TDRS TLE data from configuration file

Load user location from settings configuration file.